Missing Number
Find X in Each Question

1) 72, 56, X, 77, 69. If Mean is 71.
2) 12, X, 22, 27, 23, 17. If Mean is 20.

3) 5, 14, 12, X, 10, 4. If Mean is 9.
4) 84, 92, 79, X, 82, 93. If Mean is 86.

5) 31, X, 8, 29, 5, 14. If Mean is 15.

Find the Mean of Decimal numbers

1) 61.5, 70.3, 74.2, 69.2
2) 45.9, 36.2, 39.7, 41.4

3) 15.9, 18.2, 12.4, 10.7
4) 62.1, 49.3, 55.4, 43.8

5) 11.2, 15.3, 9.6, 12.1